<template>
	<view class="app">
		<view class="price-box">
			<text>支付金额</text>
			<text class="price">{{orderInfo.payAmount || 0}}</text>
		</view>

		<view class="pay-type-list">

			<view class="type-item b-b" @click="changePayType(1)">
				<text class="icon yticon icon-weixinzhifu"></text>
				<view class="con">
					<text class="tit">微信支付</text>
				</view>
				<label class="radio">
					<radio value="" color="#fa436a" :checked='payType == 1' />
					</radio>
				</label>
			</view>
			
			<view class="type-item" @click="changePayType(2)">
				<text class="icon yticon icon-erjiye-yucunkuan"></text>
				<view class="con">
					<text class="tit">礼品卡支付</text>
				</view>
				<label class="radio">
					<radio value="" color="#fa436a" :checked='payType == 2' />
					</radio>
				</label>
			</view>
		</view>
		
		<text class="mix-btn" @click="confirm">确认支付</text>
	</view>
</template>

<script>
	import {unifiedOrderApi, detailByIdApi, detailByOutTradeNoApi} from '@/api/orders.js'
	export default {
		data() {
			return {
				payType: 1,
				orderId: 0,
				orderInfo: '',
				outTradeNo: '',
			};
		},
		computed: {
		
		},
		onLoad(options) {
			this.orderId = options.orderId
			this.outTradeNo = options.outTradeNo
			this.orderDetail()
		},

		methods: {
			//选择支付方式
			changePayType(type) {
				this.payType = type;
			},
			async orderDetail () {
				let ret = ''
				if (this.orderId) {
					ret = await detailByIdApi({id: this.orderId})
				} else if (this.outTradeNo) {
					ret = await detailByIdApi({outTradeNo: this.outTradeNo})
				}
				if (ret && ret.code == 200) {
					ret.data.payAmount = this.$api.toFixed(ret.data.payAmount)
					this.orderInfo = ret.data
				}
			},
			//确认支付
			confirm: async function() {
				if(!this.orderId) {
					this.$api.msg("订单无效，请刷新后再试")
				}
				let openId = uni.getStorageSync("openid")
				let ret = await unifiedOrderApi({id: this.orderId,openId})
				console.log(ret);
				if (ret && ret.code==200) {
					let data = ret.data
					uni.requestPayment({
					    "provider": "wxpay",
						appid: data.appid,  // 微信开放平台 - 应用 - AppId，注意和微信小程序、公众号 AppId 可能不一致
						nonceStr: data.noncestr, // 随机字符串
						package: data.packageStr,        // 固定值
						partnerid: data.partnerid,      // 微信支付商户号
						prepayid: data.prepayid, // 统一下单订单号
						timeStamp: data.timestamp,        // 时间戳（单位：秒）
						paySign: data.sign,
						signType: data.signType,
					    success(res) {
							console.log(res);
							this.$api.msg("支付成功")
							uni.navigateBack()
						},
					    fail(e) {
							console.log(JSON.stringify(e));
						}
					})

				}
			},
		}
	}
</script>

<style lang='scss'>
	.app {
		width: 100%;
	}

	.price-box {
		background-color: #fff;
		height: 265upx;
		display: flex;
		flex-direction: column;
		justify-content: center;
		align-items: center;
		font-size: 28upx;
		color: #909399;

		.price{
			font-size: 50upx;
			color: #303133;
			margin-top: 12upx;
			&:before{
				content: '￥';
				font-size: 40upx;
			}
		}
	}

	.pay-type-list {
		margin-top: 20upx;
		background-color: #fff;
		padding-left: 60upx;
		
		.type-item{
			height: 120upx;
			padding: 20upx 0;
			display: flex;
			justify-content: space-between;
			align-items: center;
			padding-right: 60upx;
			font-size: 30upx;
			position:relative;
		}
		
		.icon{
			width: 100upx;
			font-size: 52upx;
		}
		.icon-erjiye-yucunkuan {
			color: #fe8e2e;
		}
		.icon-weixinzhifu {
			color: #36cb59;
		}
		.icon-alipay {
			color: #01aaef;
		}
		.tit{
			font-size: $font-lg;
			color: $font-color-dark;
			margin-bottom: 4upx;
		}
		.con{
			flex: 1;
			display: flex;
			flex-direction: column;
			font-size: $font-sm;
			color: $font-color-light;
		}
	}
	.mix-btn {
		display: flex;
		align-items: center;
		justify-content: center;
		width: 630upx;
		height: 80upx;
		margin: 80upx auto 30upx;
		font-size: $font-lg;
		color: #fff;
		background-color: $base-color;
		border-radius: 10upx;
		box-shadow: 1px 2px 5px rgba(219, 63, 96, 0.4);
	}

</style>
